Rafael Adolfo's BlogAI-first engineering, iOS development, and the unfiltered reality of building software.https://rafaeladolfo.com/Making My Apps Siri-Native Before Apple Tells Everyone Tohttps://rafaeladolfo.com/blog/making-apps-siri-native-before-wwdc/https://rafaeladolfo.com/blog/making-apps-siri-native-before-wwdc/Apple is building an agentic OS where Siri reaches into apps. I shipped App Intents for both my iOS apps before WWDC — here's what I learned and why it matters.Thu, 02 Apr 2026 00:00:00 GMTBuilding Delivery Automations Into a Package Tracker With App Intentshttps://rafaeladolfo.com/blog/delivery-automations-siri-shortcuts/https://rafaeladolfo.com/blog/delivery-automations-siri-shortcuts/I wired Packybara's delivery detection to Shortcuts event triggers. Now 'when my package arrives, send a text' is a real automation. Here's the technical story.Thu, 02 Apr 2026 00:00:00 GMTScan Tracking Codes With Your Camera: Building OCR Into a Package Trackerhttps://rafaeladolfo.com/blog/scan-tracking-codes-with-your-camera/https://rafaeladolfo.com/blog/scan-tracking-codes-with-your-camera/Brazilian tracking codes are everywhere — printed slips, WhatsApp screenshots, marketplace emails. I built camera-based OCR into Packybara so users never have to type one again.Thu, 02 Apr 2026 00:00:00 GMTBuilding Packybara: Because Every Tracking App in Brazil Has Ads or Bad Vibeshttps://rafaeladolfo.com/blog/building-packybara/https://rafaeladolfo.com/blog/building-packybara/I built a native package tracking app for iOS and Android with a pixel-art capybara because the alternatives were either bloated with ads or just not my taste. Here's the honest story.Tue, 31 Mar 2026 00:00:00 GMTBuilding CapyCast: How a Capybara Shipped a Weather Apphttps://rafaeladolfo.com/blog/building-capycast-with-capy/https://rafaeladolfo.com/blog/building-capycast-with-capy/I built a pixel-art capybara weather app for iOS using Capy — my own multi-agent workflow builder. Here's what happened when I let the capybaras run the show.Sat, 21 Mar 2026 00:00:00 GMTAI Context Checklist Part 2: What Actually Workshttps://rafaeladolfo.com/blog/ai-context-checklist-what-actually-works/https://rafaeladolfo.com/blog/ai-context-checklist-what-actually-works/I wrote a checklist for working with AI. Then I actually used it for months. Here's what survived, what changed, and the workflow I run today.Thu, 12 Mar 2026 00:00:00 GMTFrom Build to App Store in One Prompt: AI Skills That Shiphttps://rafaeladolfo.com/blog/ai-skills-appstore-pipeline/https://rafaeladolfo.com/blog/ai-skills-appstore-pipeline/I built reusable AI skills to generate App Store icons, screenshots, and localized marketing — for iOS and Android. I didn't write a single line of code.Thu, 12 Mar 2026 00:00:00 GMTHow I Replaced a $20/Month Server with $1.50 in Serverlesshttps://rafaeladolfo.com/blog/supabase-serverless-migration-ios/https://rafaeladolfo.com/blog/supabase-serverless-migration-ios/Migrating MarketCapy's backend from a DigitalOcean droplet to Supabase Edge Functions. I made the decisions — the AI wrote the code.Sat, 07 Mar 2026 00:00:00 GMTWhy I'm Writing About AI-First Engineeringhttps://rafaeladolfo.com/blog/why-im-writing-about-ai-first-engineering/https://rafaeladolfo.com/blog/why-im-writing-about-ai-first-engineering/The 17-year setup, the shift, and why I'm writing about it now.Fri, 20 Feb 2026 00:00:00 GMTAI Context Checklist: From Chatting to Architectinghttps://rafaeladolfo.com/blog/ai-context-checklist/https://rafaeladolfo.com/blog/ai-context-checklist/Stop correcting the AI. Start directing it. A practical checklist for getting better results.Tue, 27 Jan 2026 00:00:00 GMT